AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-450-8766 (014508766) |
| NCB Code | USA (01) |
| Manufacturer | Dresser Industries Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 1990 | dresser industries inc | valve safety relief | RFQ |
| 1990C-1 X .75 275PSI | dresser industries inc | valve safety relief | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AGAV | III END ITEM IDENTIFICATION | STRATEGIC SEALIFT CONVERSION SHIPS CLASS |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE STEAM 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | C1 ANGLE |
| MATT | MATERIAL | STEEL COMP 316 BODY STEEL COMP 316 FLOW CONTROL DEVICE STEEL COMP 410 STEM |
| AEHZ | MAXIMUM OPERATING TEMP | 400.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| AEQJ | MINIMUM OPERATING TEMP | -20.0 DEG FAHRENHEIT |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A479, TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE BODY ASTM A479, TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE ASTM A276, TYPE 410, COND T ASSN STD SINGLE MATERIAL RESPONSE STEM |
| ADQU | FLOW CONTROL DEVICE | DISK |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 LEVER |
| CSDC | OPENING PRESSURE SETTING | 275.0 POUNDS PER SQUARE INCH |
| ADSU | DISK LOADING METHOD | SPRING |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END THREADED INTERNAL PIPE 2ND END |
| CQJX | NOMINAL THREAD SIZE | 1.000 INCHES 1ST END 0.750 INCHES 2ND END |
| FEAT | SPECIAL FEATURES | CARBON STEEL(PHOSPHATED)SPRING;0.110 SQ.IN.ORIFICE AREA |
| Relevant Components for NSN - 4820-01-450-8766, 4820014508766 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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